查询词典 reliability coefficient

Based on the same atmosphere refraction coefficient of toward and return surveying, simultaneous subtending surveying data are used to inverse atmosphere refraction coefficient of the whole day, and to correct real-time surveying data, which helps to increase surveying efficiency and reliability.

以往返测大气折光系数相同为前提，利用这种同时对向观测高差数据反算统计出一天各时刻的大气折光系数均值，对实时的监测数据进行改正，提高了测量速度与可靠性。

The mean and individual inspection method for known coefficient of variation were developed, and dimensionless criterion were given out by means of strength, load coefficients and reliability safety coefficient.

介绍结构可靠性检验的概念和各种强度检验方法的特点，对已知变差系数的均值检验和个值检验方法进行改进，利用可靠性安全系数和各种强度与载荷系数，给出无量纲的判别准则。

The mean and individual inspection method for known coefficient of variation C(subscript V method were developed, and dimensionless criterion were given out by means of strength, load coefficients and reliability safety coefficient.

介绍结构可靠性检验的概念和各种强度检验方法的特点，对已知变差系数的均值核对总和个值检验方法进行改进，利用可靠性安全系数和各种强度与载荷系数，给出无量纲的判别准则。

Results: Reliability coefficient of the four courses was above 0.6, and moreover 91.7% was above 0.7, but the difficulty and discrimination coefficient were not satisfied.

结果：各年级四门课程信度系数都达到了0.6分以上，且91.7%在0.7分以上，显示了较高的信度，但是难度普遍中等偏低，区分度不高。

In the analysis of the frequent spectrum and the reflection coefficients, based on Godas two-points method which fit to the normal incident wave, a modified two-points method is derived that can be used to calculate the frequent spectrum and reflection coefficient of the oblique waves from which the frequent spectra of incident waves and reflected waves incoming in arbitrary angular, the bulk reflection coefficient and the frequent spectrum of reflection coefficient could be computed, also from which in theory the waves could be measured in two wave gauges which is disposed at any direction.

为了分析单向不规则波入射波的频率谱和反射系数，本文在Goda用于分析正向不规则波的两点法的基础上，提出了可用于斜向不规则波频谱分离及其反射系数计算的改进两点法，该方法可用于计算任意波浪入射角的入、反射波谱、总体反射系数和反射系数的频率谱，并且测量波浪过程的两浪高仪可在较广的方向范围内布置。

In the analysis of the frequent spectrum and the reflection coefficients, based on Goda's two-points method which fit to the normal incident wave, a modified two-points method is derived that can be used to calculate the frequent spectrum and reflection coefficient of the oblique waves from which the frequent spectra of incident waves and reflected waves incoming in arbitrary angular, the bulk reflection coefficient and the frequent spectrum of reflection coefficient could be computed, also from which in theory the waves could be measured in two wave gauges which is disposed at any direction.

为了分析单向不规则波入射波的频率谱和反射系数，本文在Goda用于分析正向不规则波的两点法的基础上，提出了可用于斜向不规则波频谱分离及其反射系数计算的改进两点法，该方法可用于计算任意波浪入射角的入、反射波谱、总体反射系数和反射系数的频率谱，并且测量波浪过程的两浪高仪可在较广的方向范围内布置。

The experimental results show that:(1) for ideal spheres, the attenuation coefficient of velocity is constant, the air drag coefficient is slightly affected by the initial velocity and is a linear function of initial velocity, and (2) for real fragments formed by a warhead, the flight performances are different from ideal spheres, the air drag coefficient is affected by the flight velocity and is a linear function of flight velocity.

实验结果表明：(1)对于理想球形钨合金破片，在同一初始速度条件下，衰减系数为常数，空气阻力系数与初始速度有关，两者成线性关系；(2)对于经历爆轰驱动的球形钨合金破片，由于有轻微的质量损失和变形，速度衰减规律与理想球形钨合金破片有明显的区别，空气阻力系数与飞行速度有关，两者成线性关系。

In a certain period, the probability and expected value of critical drought duration got larger with the in crease of first-order auto-correlation coefficient and skewed coefficient, especially with first-order autocorrelation coefficient. The return periods of consecutive 11-year drought in North Luo River and Jing River were 1000 years.

在一定时期内，极限水文干旱历时的发生概率和数学期望随一阶自相关系数、偏态系数的增加而增大，且一阶自相关系数对极限水文干旱历时概率分布影响较为显著；泾河和洛河发生连续11年干旱的重现期均为1000年。

We studied China and fluctuation in business cycle with statistical methods for the first time roundly and systematically, including coefficient correlation, linear regression, turning point coefficient, autocorrelation coefficient, grey system theory, VAR and time series analysis.

第一次全面系统运用统计学方法研究我国经济周期波动，包括相关系数法、一元和多元回归、转折点系数检验、自相关系数检验、灰色关联度、VAR向量自回归和确定性时间序列等方法，第一次把灰色关联分析方法应用于经济周期波动研究。

The conclusion of paper conclude two parts:1. the hand of the Geological Character(1) Shandong conclude six research plots: the hard magma rock plot, the hard sediment rock plot, the plain and riverway alluvium-proluvial plot, the alluvium strand plain plot, the bajada plot and the mountain front sedentary plot.(2) The span of physical and mechanical index is effected by the character of stratum and geological zone. The normal value of physical and mechanical index is not even. The coefficient of variation of synthesis is bigger than the coefficient of laminate. The coefficient of variation is divided into three level: dry density

为获得满意的成果，主要进行以下研究内容：分析研究山东省的地形地貌特征、地层岩性特征、地质构造特征、地下水特征、地质灾害特征及第四系分布特征等，全面系统地了解了山东省的区域地质特征；将山东省划分为两个研究区和六个研究亚区，给出各个研究亚区的工程地质特征和典型地层柱状图；根据山东省已建高速公路的工程勘察资料，统计分析3957个样本点，得到各研究区典型地层的地基承载力取值范围和9个物理力学指标的标准值；利用ARCVIEW和

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。